(function anonymous(name, _callback
) {
    "use strict";
    var _context;
    var _x = this._x;

    var _counter = 2;  // 记录有几个事件监听需要执行
    var _done = (function () {
        _callback();
    });

    var _fn0 = _x[0];
    _fn0(name, (function (_err0) {
        if (--_counter === 0) _done();
    }));



})